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Forum: HP EFI

HP EFI Tuning & Tech

  1. Sticky Thread Sticky: HP Potential RPM Input Problem

    Started by Doug F, 10-12-2010 04:57 PM
    • Replies: 0
    • Views: 16,684
    10-12-2010, 04:57 PM Go to last post
    • Replies: 0
    • Views: 17,545
    07-12-2010, 04:14 PM Go to last post
  1. Holley Dual Sync Distributor Question

    Started by 1985351, 05-21-2020 04:17 PM
    • Replies: 8
    • Views: 59
    Today, 11:01 AM Go to last post
    • Replies: 1
    • Views: 31
    Today, 10:43 AM Go to last post
  2. Seasonal Idle Fine Tuning

    Started by Qwktrip, 02-28-2020 01:47 AM
    4 Pages
    1 2 3 ... 4
    • Replies: 35
    • Views: 2,378
    Today, 09:35 AM Go to last post
  3. No RPM signal after firmware update.

    Started by Rick Ryan, 04-25-2020 08:48 AM
    3 Pages
    1 2 3
    • Replies: 28
    • Views: 968
    Yesterday, 11:57 PM Go to last post
  4. Terminator to MPFI

    Started by condor7, 05-23-2020 09:11 AM
    • Replies: 4
    • Views: 64
    05-23-2020, 10:21 AM Go to last post
  5. Mustang Installation Question

    Started by gmh8r, 05-21-2018 05:11 PM
    2 Pages
    1 2
    • Replies: 12
    • Views: 890
    05-22-2020, 03:46 PM Go to last post
  6. Methanol Pump

    Started by gmh8r, 05-21-2020 09:58 PM
    • Replies: 1
    • Views: 41
    05-22-2020, 07:41 AM Go to last post
  7. IAC runs up to 30% and engine races up.

    Started by dynosore, 05-17-2020 02:19 AM
    3 Pages
    1 2 3
    • Replies: 21
    • Views: 434
    05-21-2020, 09:59 PM Go to last post
  8. Holley Dash Question

    Started by bWright, 03-20-2020 10:34 AM
    4 Pages
    1 2 3 ... 4
    • Replies: 31
    • Views: 2,399
    05-21-2020, 07:09 PM Go to last post
  9. Slight Flutter at Cruising Speed

    Started by dynosore, 05-18-2020 09:24 AM
    2 Pages
    1 2
    • Replies: 11
    • Views: 194
    05-21-2020, 05:40 AM Go to last post
  10. V5 freezing when Online.

    Started by 90notch3, 03-30-2020 03:00 PM
    3 Pages
    1 2 3
    • Replies: 20
    • Views: 907
    05-20-2020, 10:33 AM Go to last post
  11. Broken laptop with version 1.3.

    Started by 88 347 stroker, 03-24-2020 10:08 PM
    • Replies: 6
    • Views: 331
    05-20-2020, 09:56 AM Go to last post
  12. Base Timing Question

    Started by Jart, 05-19-2020 09:48 PM
    • Replies: 2
    • Views: 61
    05-20-2020, 12:01 AM Go to last post
  13. Issues with car shutting off unexpectedly.

    Started by 1985351, 05-17-2020 05:16 PM
    • Replies: 7
    • Views: 142
    05-18-2020, 07:04 PM Go to last post
  14. Car will not rev under load/backfires/pops.

    Started by 4banger, 05-18-2020 12:02 AM
    • Replies: 3
    • Views: 82
    05-18-2020, 12:41 PM Go to last post
    • Replies: 7
    • Views: 89
    05-18-2020, 11:34 AM Go to last post
    • Replies: 1
    • Views: 39
    05-18-2020, 12:48 AM Go to last post
  15. E85 & Target AFR?

    Started by 3forty7, 05-15-2020 09:42 PM
    • Replies: 6
    • Views: 202
    05-17-2020, 11:36 AM Go to last post
  16. Data Files Won't Open

    Started by dynosore, 05-15-2020 11:30 AM
    • Replies: 2
    • Views: 85
    05-17-2020, 01:42 AM Go to last post
  17. Strange Coolant Temp Sensor Issue

    Started by 95gts5oh, 05-14-2020 10:10 AM
    • Replies: 9
    • Views: 192
    05-16-2020, 01:54 PM Go to last post
  18. A/C +12V Input to Holley EFI V4 Build 100

    Started by J_66Chevelle, 05-15-2020 04:00 PM
    • Replies: 0
    • Views: 75
    05-15-2020, 04:00 PM Go to last post
  19. Car won't start, no RPM signal.

    Started by USN03GT, 04-27-2020 05:53 PM
    2 Pages
    1 2
    4.6l, wont start
    • Replies: 11
    • Views: 467
    05-15-2020, 02:07 AM Go to last post
  20. No Learning, and datalog issue.

    Started by jimbo72, 05-14-2020 09:57 AM
    • Replies: 0
    • Views: 55
    05-14-2020, 09:57 AM Go to last post
  21. Holley 160 lb/hr injectors sticking or tune?

    Started by 94blowncobra, 05-10-2020 09:47 AM
    2 Pages
    1 2
    • Replies: 11
    • Views: 304
    05-14-2020, 06:42 AM Go to last post
  22. Holley Digital Dash Trans Temp?

    Started by snoopstang, 03-13-2017 08:04 PM
    3 Pages
    1 2 3
    • Replies: 21
    • Views: 2,564
    05-12-2020, 07:36 PM Go to last post

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